1	OYL	1-ethyl-L-histidine	1.000
2	HIC	4-methyl-histidine	0.923
3	DHI	D-histidine	0.846
4	HHI	(2z)-3-(1h-imidazol-5-yl)-2-iminopropanoic acid	0.846
5	HIS	Histidine	0.846
6	2HF	2-fluoro-L-histidine	0.786
7	B3U	2-amino-L-histidine	0.786
8	EI4	Enduracididine	0.786
9	HSK	3-hydroxy-L-histidine	0.786
10	MHS	N1-methylated histidine	0.786
11	OHI	3-(2-oxo-2h-imidazol-4-yl)-L-alanine	0.786
12	U8S	3-[(2s)-2-hydroxy-2,3-dihydro-1h-imidazol-4-yl]-L-alanine	0.786
13	V5N	(2s,3s)-2-azanyl-3-(1h-imidazol-5-yl)-3-oxidanyl-propanoic acid	0.786
14	HSO	L-histidinol	0.769
15	HSV	L-histidinal	0.769
16	MWQ	3-(1~{H}-imidazol-5-yl)propanoic acid	0.769
17	URO	(2e)-3-(1h-imidazol-4-yl)acrylic acid	0.769
18	HIQ	1-[1,2-dihydroxy-1-(hydroxymethyl)ethyl]-L-histidine	0.765
19	HOO	(2~{S})-2-azanyl-3-[2,5-bis(oxidanylidene)imidazol-4-yl]propanoic acid	0.733
20	OGC	Gamma-N-methyl-beta-oh-histidine	0.733
21	PRR	3-(methyl-pyridinium)alanine	0.733
22	83O	(2s)-2-azanyl-3-(4h-1,2,4-triazol-3-yl)propanoic acid	0.714
23	DYT	(2~{S})-2-chloranyl-3-(1~{H}-imidazol-5-yl)propanoic acid	0.714
24	ECD	(4r)-4-(2-carboxyethyl)imidazolidin-2-iminium	0.714
25	HIA	L-histidine amide	0.714
26	HIX	3-(1h-1,2,3-triazol-5-yl)-L-alanine	0.714
27	KCJ	3-(1,3-thiazol-4-yl)-L-alanine	0.714
28	O66	3-[(4~{R})-5-oxidanylidene-1,4-dihydroimidazol-4-yl]propanoic acid	0.714
29	Q75	3-(1,3-thiazol-5-yl)-L-alanine	0.714